SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)


             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED
                            PURSUANT TO RULE 13d-2(b)



                        Cardtronics PLC (CATM)
--------------------------------------------------------------------------
                                (Name of Issuer)


                                   Common Stock
--------------------------------------------------------------------------
                         (Title of Class of Securities)


                                   G1991C105
--------------------------------------------------------------------------
                                 (CUSIP Number)


                                December 31, 2017
--------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)


     Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:

          [X] Rule 13d-1(b)

          [_] Rule 13d-1(c)

          [_] Rule 13d-1(d)


- ----------
(1)  The  remainder  of this  cover  page  shall be filled  out for a  reporting
     person's  initial  filing on this form with respect to the subject class of
     securities,  and for any subsequent amendment containing  information which
     would alter the disclosures provided in a prior cover page.

     The  information  required in the remainder of this cover page shall not be
deemed to be "filed"  for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 or otherwise  subject to the  liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).
<page>
CUSIP No.    G1991C105
            ---------------------


1. NAME OF REPORTING PERSONS

   Van Berkom & Associates Inc.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a) [_]
                                                                 (b) [_]

3. SEC USE ONLY



4. CITIZENSHIP OR PLACE OF ORGANIZATION

   Canada

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER

   3,333,500

6. SHARED VOTING POWER

   0

7. SOLE DISPOSITIVE POWER

   3,333,500

8. SHARED DISPOSITIVE POWER

   0

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   3,333,500

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                      [_]

11.PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

   7.30%

12.TYPE OF REPORTING PERSON*

   IA

----------------------------------------------------------------------

<PAGE>



CUSIP No.   G1991C105
            ---------------------


1. NAME OF REPORTING PERSONS
   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

   Van Berkom & Associates Inc.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a) [_]
                                                                 (b) [_]

3. SEC USE ONLY


4. CITIZENSHIP OR PLACE OF ORGANIZATION

   Canada

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER

   3,333,500

6. SHARED VOTING POWER

   0

7. SOLE DISPOSITIVE POWER

   3,333,500

8. SHARED DISPOSITIVE POWER

   0

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   3,333,500

10.CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                          [_]

11.PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

   7.30%

12.TYPE OF REPORTING PERSON*

   IA

------------------------------------------------------------------------


<PAGE>


CUSIP No.   G1991C105
            ---------------------


1. NAME OF REPORTING PERSONS
   I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)

   Van Berkom & Associates Inc.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a) [_]
                                                                 (b) [_]

3. SEC USE ONLY


4. CITIZENSHIP OR PLACE OF ORGANIZATION

   Canada

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH

5. SOLE VOTING POWER

   3,333,500

6. SHARED VOTING POWER

   0

7. SOLE DISPOSITIVE POWER

   3,333,500

8. SHARED DISPOSITIVE POWER

   0

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

   3,333,500

10.CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                          [_]

11.PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

   7.30%

12.TYPE OF REPORTING PERSON*

   IA
-----------------------------------------------------------------------------


<PAGE>

-----------------------------------------------------------------------------

CUSIP No.   G1991C105
            ---------------------


Item 1(a).  Name of Issuer:


            Cardronics PLC (CATM)
            --------------------------------------------------------------------

Item 1(b).  Address of Issuer's Principal Executive Offices:

            3250 Briarpark Drive, Suite 400, Houston, TX 77042
            --------------------------------------------------------------------


Item 2(a).  Name of Person Filing:

            This statement is being filed by Van Berkom & Associates Inc. (the
            "Reporting Person"), a Canadian company.


            --------------------------------------------------------------------

Item 2(b).  Address of Principal Business Office, or if None, Residence:

            1130 Sherbrooke Street West, Suite 1005, Montreal, Quebec H3A 2M8
            --------------------------------------------------------------------

Item 2(c).  Citizenship:

            Canada
            --------------------------------------------------------------------

Item 2(d).  Title of Class of Securities:

            Common Stock
            --------------------------------------------------------------------

Item 2(e).  CUSIP Number:


            G1991C105
            --------------------------------------------------------------------


Item 3.   If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b)
          or (c), Check Whether the Person Filing is a:

     (a)  [_] Broker or dealer registered under Section 15 of the Exchange Act.

     (b)  [_] Bank as defined in Section 3(a)(6) of the Exchange Act.

     (c)  [_]  Insurance  company as defined in Section 3(a)(19) of the Exchange
               Act.

     (d)  [_]  Investment  company  registered under Section 8 of the Investment
               Company Act.

     (e)  [X] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

     (f)  [_]  An employee  benefit plan or endowment  fund in  accordance  with
               Rule 13d-1(b)(1)(ii)(F);

     (g)  [_]  A parent  holding  company or control  person in accordance  with
               Rule 13d-1(b)(1)(ii)(G);

     (h)  [_]  A savings  association  as defined in Section 3(b) of the Federal
               Deposit Insurance Act;

     (i)  [_]  A  church  plan  that  is  excluded  from  the  definition  of an
               investment  company  under  Section  3(c)(14)  of the  Investment
               Company Act;

     (j)  [_]  Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Item 4.  Ownership.

     Provide  the  following  information  regarding  the  aggregate  number and
percentage of the class of securities of the issuer identified in Item 1.

     (a) Amount beneficially owned:

         See Item 9 of each cover page.
         ----------------------------------------------------------------------

     (b) Percent of class:

         See Item 11 of each cover page.
         ----------------------------------------------------------------------

     (c) Number of shares as to which such person has:


          (i)   Sole power to vote or to direct the vote
                See Item 5 of each cover page.


          (ii)  Shared power to vote or to direct the vote
                See Item 6 of each cover page.


          (iii) Sole power to dispose or to direct the disposition of
                See Item 7 of each cover page.


          (iv)  Shared power to dispose or to direct the disposition of
                See Item 8 of each cover page.


Item 5.  Ownership of Five Percent or Less of a Class.

     If this  statement  is being  filed to report  the fact that as of the date
hereof the reporting  person has ceased to be the beneficial  owner of more than
five percent of the class of securities check the following [ ].


         Not applicable.


Item 6.  Ownership of More Than Five Percent on Behalf of Another Person.

     If any other  person is known to have the right to  receive or the power to
direct the receipt of dividends  from,  or the  proceeds  from the sale of, such
securities,  a statement  to that effect  should be included in response to this
item and, if such interest relates to more than five percent of the class,  such
person  should be  identified.  A listing of the  shareholders  of an investment
company registered under the Investment Company Act of 1940 or the beneficiaries
of employee benefit plan, pension fund or endowment fund is not required.


         Not applicable.


Item 7.  Identification  and Classification of the Subsidiary Which Acquired
         the Security Being Reported on by the Parent Holding Company or Control
         Person.

     If a parent  holding  company  or Control  person has filed this  schedule,
pursuant to Rule  13d-1(b)(1)(ii)(G),  so indicate under Item 3(g) and attach an
exhibit  stating the  identity  and the Item 3  classification  of the  relevant
subsidiary.  If a parent  holding  company  or  control  person  has filed  this
schedule  pursuant to Rule 13d-1(c) or Rule 13d-1(d),  attach an exhibit stating
the identification of the relevant subsidiary.


         Not applicable


Item 8.  Identification  and  Classification  of Members of the Group.

     If a group has filed this schedule  pursuant to  ss.240.13d-1(b)(1)(ii)(J),
so indicate under Item 3(j) and attach an exhibit  stating the identity and Item
3 classification of each member of the group. If a group has filed this schedule
pursuant to  ss.240.13d-1(c) or  ss.240.13d-1(d),  attach an exhibit stating the
identity of each member of the group.


         Not applicable


Item 9.  Notice of Dissolution of Group.

     Notice of dissolution of a group may be furnished as an exhibit stating the
date  of  the   dissolution  and  that  all  further  filings  with  respect  to
transactions in the security reported on will be filed, if required,  by members
of the group, in their individual capacity. See Item 5.


          Not applicable

Item 10.  Certifications.

          By  signing  below I certify  that,  to the best of my  knowledge  and
          belief, the securities referred to above were not acquired and are not
          held for the purpose of or with the effect of changing or  influencing
          the control of the issuer of the  securities and were not acquired and
          are not held in connection with or as a participant in any transaction
          having such purpose or effect.


                                    SIGNATURE

     After  reasonable  inquiry and to the best of my  knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.


February 12, 2018
------------------------------
(Date)


Van Berkom & Associates Inc.

By: /s/ Mathieu Sirois
- --------------------------
Partner, Vice-President & Senior Portfolio Mngr, U.S. Small Cap

Van Berkom & Associates Inc.

By: /s/ Mathieu Sirois
----------------------------
Partner, Vice-President & Senior Portfolio Mngr, U.S. Small Cap

By: /s/ Mathieu Sirois
- --------------------------


Note.  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See Rule 13d-7 for other parties
for whom copies are to be sent.

Attention.  Intentional  misstatements  or omissions of fact constitute  federal
criminal violations (see 18 U.S.C. 1001).

* The Reporting  Persons  disclaim  beneficial  ownership in the Shares reported
herein except to the extent of their pecuniary interest therein.